Florida Town Of Parkland In Mourning, After Shooting At Marjory Stoneman Douglas High School Kills 17

PARKLAND, FL - FEBRUARY 17: Police officers are seen in front of Marjory Stoneman Douglas High School as law enforcement officials continue their work investigating the 17 people who were killed at the school on February 17, 2018 in Parkland, Florida. Police arrested 19 year old former student Nikolas Cruz in the killing of the high school students. (Photo by Joe Raedle/Getty Images)